The principle behind the pin hole camera is

• Curvilinear propagation of light

• Rectilinear propagation of light

• Image

• shadow

The dark patches are formed behind the objects are called

• Clear images

• Dark images

• Dim images

• Shadow

Tags

NGSS.MS-PS4-2

Fire fly is a

• Non-living luminous body

• Plant body

• Living luminous body

• Heavenly body

Objects which allow light to pass through them are called

• Opaque objects

• Transparent objects

• Translucent objects

• Image

Tags

NGSS.MS-PS4-2

Which of the following is an example of a translucent object?

• A thin sheet of paper

• A thin glass slab

• A thin iron sheet

• All of these

When an opaque objects comes in the path of light it forms

• An image with colors

• Shadow

• Black and white image

• Depends on the color of light

Which letters of English alphabet will not show lateral inversion?

• I,O,U

• N,Z,X

• I,X,E

• A,E,I

Bouncing back of light from shining surfaces is called

• Dispersion

• Refraction

• Reflection

• Total internal reflection

Tags

NGSS.4-PS4-2

Assertion(A): Moon is non - luminous object.

Reason(R): Moon does not emit light on their own.

• A and R are true. R is not the correct explanation of A

• A is true and R is false

• A is false and R is true

• A and R is true and R is the correct explanation of A

Tags

NGSS.MS-ESS1-1

Assertion(A): The image formed in pinhole camera is laterally inverted.

Reason(R) : Image gives the shape, size and color of the object.

• A and R are true and R is not the correct explanation of A

• A and R are false

• A is true and R is false

• A and R are true and R is the correct explanation of A.